Base | Representation |
---|---|
bin | 10000111110011… |
… | …11001000000100 |
3 | 100220221222111210 |
4 | 20133033020010 |
5 | 242423444043 |
6 | 22044131420 |
7 | 3346301163 |
oct | 1037171004 |
9 | 326858453 |
10 | 142406148 |
11 | 73425935 |
12 | 3b836b70 |
13 | 236705c1 |
14 | 14cad3da |
15 | c77e633 |
hex | 87cf204 |
142406148 has 12 divisors (see below), whose sum is σ = 332281040. Its totient is φ = 47468712.
The previous prime is 142406107. The next prime is 142406149. The reversal of 142406148 is 841604241.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (142406149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5933578 + ... + 5933601.
Almost surely, 2142406148 is an apocalyptic number.
It is an amenable number.
142406148 is an abundant number, since it is smaller than the sum of its proper divisors (189874892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142406148 is a wasteful number, since it uses less digits than its factorization.
142406148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11867186 (or 11867184 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 30.
The square root of 142406148 is about 11933.4047111459. The cubic root of 142406148 is about 522.2072693135.
The spelling of 142406148 in words is "one hundred forty-two million, four hundred six thousand, one hundred forty-eight".
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